The client and server don't support a common SSL protocol version or cipher suite
Article ID: CTX473951
Updated On:
Description
After updating the Server certificate binding to NetScaler SSL Virtual Server, customer is unable to access the SSL Virtual Server via Internet with below browser notification. While intranet access to it works fine.
“Unsupported protocol. The client and server don't support a common SSL protocol version or cipher suite”
"ERR_SSL_VERSION_OR_CIPHER_MISMATCH"
Resolution
- Renew server certificate on Firewall.
- Issue should be resolved once certificate is renewed.
Problem Cause
There's a 3rd Party Firewall proxy all internet traffic between NetScaler and Internet client. The server certificate was not renewed on Firewall.
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